Fix possible web crashed

Author: billouboq

packages/react-native-gesture-handler/src/web/handlers/GestureHandler.ts

@@ -701,7 +701,13 @@ export default abstract class GestureHandler implements IGestureHandler {
     }
 
     const rect = this.delegate.measureView();
-    const { x, y } = this.tracker.getLastAbsoluteCoords();
+    const lastCoords = this.tracker.getLastAbsoluteCoords();
+
+		if (!lastCoords) {
+			return false;
+		}
+
+		const { x, y } = lastCoords;
     const offsetX: number = x - rect.pageX;
     const offsetY: number = y - rect.pageY;
 

packages/react-native-gesture-handler/src/web/tools/PointerEventManager.ts

@@ -98,7 +98,7 @@ export default class PointerEventManager extends EventManager<HTMLElement> {
     // pointer moves until it succeeds.
     // God, I do love web development.
     if (
-      !target.hasPointerCapture(event.pointerId) &&
+      !target?.hasPointerCapture(event.pointerId) &&
       !POINTER_CAPTURE_EXCLUDE_LIST.has(target.tagName)
     ) {
       target.setPointerCapture(event.pointerId);